/Engine/Plugins/Animation/ControlRig/Source/ControlRigEditor/Public/Tools/ControlRigSnapper.h
Selection from the UI to Snap To. Contains a set of Actors and/or Control Rigs to snap onto or from.
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FControlRigSnapperSelection
TArray<FActorF...
Actors
TArray<FContro...
ControlRigs